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| author | Anton Altaparmakov <aia21@cantab.net> | 2006-01-19 11:39:33 -0500 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2006-01-19 11:39:33 -0500 |
| commit | 944d79559d154c12becde0dab327016cf438f46c (patch) | |
| tree | 50c101806f4d3b6585222dda060559eb4f3e005a /include/linux/cpuset.h | |
| parent | d087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (diff) | |
| parent | 0f36b018b2e314d45af86449f1a97facb1fbe300 (diff) | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'include/linux/cpuset.h')
| -rw-r--r-- | include/linux/cpuset.h | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 6e2deef96b34..3bc606927116 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h | |||
| @@ -14,22 +14,46 @@ | |||
| 14 | 14 | ||
| 15 | #ifdef CONFIG_CPUSETS | 15 | #ifdef CONFIG_CPUSETS |
| 16 | 16 | ||
| 17 | extern int number_of_cpusets; /* How many cpusets are defined in system? */ | ||
| 18 | |||
| 19 | extern int cpuset_init_early(void); | ||
| 17 | extern int cpuset_init(void); | 20 | extern int cpuset_init(void); |
| 18 | extern void cpuset_init_smp(void); | 21 | extern void cpuset_init_smp(void); |
| 19 | extern void cpuset_fork(struct task_struct *p); | 22 | extern void cpuset_fork(struct task_struct *p); |
| 20 | extern void cpuset_exit(struct task_struct *p); | 23 | extern void cpuset_exit(struct task_struct *p); |
| 21 | extern cpumask_t cpuset_cpus_allowed(const struct task_struct *p); | 24 | extern cpumask_t cpuset_cpus_allowed(struct task_struct *p); |
| 25 | extern nodemask_t cpuset_mems_allowed(struct task_struct *p); | ||
| 22 | void cpuset_init_current_mems_allowed(void); | 26 | void cpuset_init_current_mems_allowed(void); |
| 23 | void cpuset_update_current_mems_allowed(void); | 27 | void cpuset_update_task_memory_state(void); |
| 24 | void cpuset_restrict_to_mems_allowed(unsigned long *nodes); | 28 | #define cpuset_nodes_subset_current_mems_allowed(nodes) \ |
| 29 | nodes_subset((nodes), current->mems_allowed) | ||
| 25 | int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl); | 30 | int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl); |
| 26 | extern int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask); | 31 | |
| 32 | extern int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask); | ||
| 33 | static int inline cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) | ||
| 34 | { | ||
| 35 | return number_of_cpusets <= 1 || __cpuset_zone_allowed(z, gfp_mask); | ||
| 36 | } | ||
| 37 | |||
| 27 | extern int cpuset_excl_nodes_overlap(const struct task_struct *p); | 38 | extern int cpuset_excl_nodes_overlap(const struct task_struct *p); |
| 39 | |||
| 40 | #define cpuset_memory_pressure_bump() \ | ||
| 41 | do { \ | ||
| 42 | if (cpuset_memory_pressure_enabled) \ | ||
| 43 | __cpuset_memory_pressure_bump(); \ | ||
| 44 | } while (0) | ||
| 45 | extern int cpuset_memory_pressure_enabled; | ||
| 46 | extern void __cpuset_memory_pressure_bump(void); | ||
| 47 | |||
| 28 | extern struct file_operations proc_cpuset_operations; | 48 | extern struct file_operations proc_cpuset_operations; |
| 29 | extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); | 49 | extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); |
| 30 | 50 | ||
| 51 | extern void cpuset_lock(void); | ||
| 52 | extern void cpuset_unlock(void); | ||
| 53 | |||
| 31 | #else /* !CONFIG_CPUSETS */ | 54 | #else /* !CONFIG_CPUSETS */ |
| 32 | 55 | ||
| 56 | static inline int cpuset_init_early(void) { return 0; } | ||
| 33 | static inline int cpuset_init(void) { return 0; } | 57 | static inline int cpuset_init(void) { return 0; } |
| 34 | static inline void cpuset_init_smp(void) {} | 58 | static inline void cpuset_init_smp(void) {} |
| 35 | static inline void cpuset_fork(struct task_struct *p) {} | 59 | static inline void cpuset_fork(struct task_struct *p) {} |
| @@ -40,9 +64,14 @@ static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p) | |||
| 40 | return cpu_possible_map; | 64 | return cpu_possible_map; |
| 41 | } | 65 | } |
| 42 | 66 | ||
| 67 | static inline nodemask_t cpuset_mems_allowed(struct task_struct *p) | ||
| 68 | { | ||
| 69 | return node_possible_map; | ||
| 70 | } | ||
| 71 | |||
| 43 | static inline void cpuset_init_current_mems_allowed(void) {} | 72 | static inline void cpuset_init_current_mems_allowed(void) {} |
| 44 | static inline void cpuset_update_current_mems_allowed(void) {} | 73 | static inline void cpuset_update_task_memory_state(void) {} |
| 45 | static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {} | 74 | #define cpuset_nodes_subset_current_mems_allowed(nodes) (1) |
| 46 | 75 | ||
| 47 | static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) | 76 | static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) |
| 48 | { | 77 | { |
| @@ -59,12 +88,17 @@ static inline int cpuset_excl_nodes_overlap(const struct task_struct *p) | |||
| 59 | return 1; | 88 | return 1; |
| 60 | } | 89 | } |
| 61 | 90 | ||
| 91 | static inline void cpuset_memory_pressure_bump(void) {} | ||
| 92 | |||
| 62 | static inline char *cpuset_task_status_allowed(struct task_struct *task, | 93 | static inline char *cpuset_task_status_allowed(struct task_struct *task, |
| 63 | char *buffer) | 94 | char *buffer) |
| 64 | { | 95 | { |
| 65 | return buffer; | 96 | return buffer; |
| 66 | } | 97 | } |
| 67 | 98 | ||
| 99 | static inline void cpuset_lock(void) {} | ||
| 100 | static inline void cpuset_unlock(void) {} | ||
| 101 | |||
| 68 | #endif /* !CONFIG_CPUSETS */ | 102 | #endif /* !CONFIG_CPUSETS */ |
| 69 | 103 | ||
| 70 | #endif /* _LINUX_CPUSET_H */ | 104 | #endif /* _LINUX_CPUSET_H */ |
